package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;
import org.springframework.stereotype.Component;

import java.util.List;

@Mapper
@Component
public   interface ShoppingCartMapper {

    /**
     *  查询当前用户的购物车数据
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改购物车数量
     * @param cart
     */
    @Update("update  shopping_cart set number=#{number} where id =#{id} ")
    void updateNumberById(ShoppingCart cart);

    /**
     *  插入购物车数据
     * @param shoppingCart
     */
    @Insert("INSERT into shopping_cart(name,image,user_id,dish_id,setmeal_id,dish_flavor,number,amount,create_time) " +
            "VALUES (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);
//
//    @Delete("delete from shopping_cart where user_id = #{userId}")
    @Delete("delete  from shopping_cart where user_id =#{userId}")
    void deleteByUserId(Long userId);
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
